Hideshi Ooba

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Kudamatsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Railway vehicle with micro pressure wave reducing contour for tunne...
- Patent number 5,694,858
- Issue date Dec 9, 1997
- Hitachi, Ltd.
- Iwao Harada
- B61 - RAILWAYS
Information Patent Grant
Method of fixing inside panel of car and structure for fixing the same
- Patent number 5,188,039
- Issue date Feb 23, 1993
- Hitachi, Ltd.
- Keiji Ohmura
- B61 - RAILWAYS